"""print("我喜欢喝雪碧")
print("雪碧 "*20)#end=' '"""
#2
"""
print("\tDog \tbun \tketchup \tmustard \tonions")
a=1
for d in[1]:
    for b in[1]:
        for k in[1]:
            for m in [1]:
                for o in [1]:
                    print("#",a,"\t",d,"\t",b,"\t",k,"\t","\t",m,"\t","\t",o)
                    a+=1"""

import pygame,sys,random

skier_images=["skier_down.png","skier_right1.png","skier_right2.png","skier_left1.png","skier_left2.png"]

class SkierClass(pygame.sprite.Sprite):
    def _init_(self):
        pygame.sprite.Sprite._init_(self)
        self.image=pygame.image.load("skier_down.png")
        self.rect=self.image.get_rect()
        self.rect.center=[320,100]
        self.angle=0
    def turn(self,direction):
        self.angle=self.angle + direction
        if self.angle < -2:
            self.angle = -2
        if self.angle > 2:
            self.angle = 2
        center = self.rect.center
        self.image = pygame.image.load(skier_images[self.angle])
        self.rect = self.image.get_rect()
        self.rect.center = center
        speed = [self.angle,6-abs(self.angle)*2]
        return speed
    def move(self,speed):
        self.rect.centerx=self.rect.centerx + speed[0]
        if self.rect.centerx < 20:
            self.rect.centerx = 20
        if self.rect.centerx > 620:
            self.rect.centerx = 620

class ObstacleClass(pygame.sprite.Sprite):
    def _init_(self,image_file,location,type):
        pygame.sprite.Sprite._init_(self)
        self.image_file = image_file
        self.image=pygame.image.load(image_file)
        self.rect=self.image.get_rect()
        self.rect.center=location
        self.type=type
        self.passed=False
    def updata(self):
        global speed
        self.rect.centery -= speed[1]
        if self.rect.centery < -32:
            self.kill()

def create_map():
    global obstacles
    locations = []
    for i in range(10):
        row = random.randint(0,9)
        col = random.randint(0,9)
        location = [col*64+20,row*64+20+640]
        if not (location in locations):
            locations.append(location)
            type = random.choice(["tree","flag"])
            if type =="tree":
                img="skier_tree.png"
            elif type =="flag":
                img = "skier_flag.png"
            obstacle = ObstacleClass(img,location,type)
            obstacles.add(obstacle)

def animate():
    screen.fill([255,255,255])
    obstacles.draw(screen)
    screen.blit(skier.image,skier.rect)
    screen.blit(score_text,[10,10])
    pygame.display.flip()

pygame.init()
screen = pygame.display.set_mode([640,640])
clock = pygame.time.Clock()
skier = SkierClass()
speed = [0,6]
obstacles = pygame.sprite.Group()
map_position = 0
points=0
create_map()
font = pygame.font.Font(None,50)

running = True
while running:
    clock.tick(30)
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False
        if event.type == pygame.KEYDOWN:
            if event.key==pygame.K_LEFT:
                speed = skier.turn(-1)
            elif event.key==pygame.K_RIGHT:
                speed=skier.turn(1)
    skier.move(speed)

    map_position += speed[1]

    if map_position >=640:
        create_map()
        map_position = 0
    
    hit = pygame.sprite.spritecollide(skier,obstacles,False)
    if hit:
        if hit[0].type == "tree" and not hit[0].passed:
            points = points-100
            skier.image=pygame.image.load("skier_crash.png")
            animate()
            pygame.time.delay(1000)
            skier.image=pygame.image.load("skier_down.png")
            skier.angle=0
            speed=[0,6]
            hip[0].passed=True
        elif hit[0].type == "flag" and not hit[0].passed:
            points +=10
            hit[0].kill()
    obstacles.update()
    score_text = font.render("score:"+str(points),1,(0,0,0))
    animate()
pygame.quit()